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Re: Trailing Slash Redirect Loop Help

Francis Daly
October 08, 2019 06:48PM
On Sun, Oct 06, 2019 at 01:02:22PM -0400, Alex Med wrote:

Hi there,

> So, now what I want is to get rid off the trailing slashes for anything that
> is not a directory or a folder (because my tomcat app seems to add a
> trailing slash to it and that creates an infinite loop that does not allow
> the page to render.).

That sounds like unusual behaviour for a tomcat app.

Can I suggest that you may be better off fixing the app so that it
works correctly?

> I have used many things to address the issue. You can see my efforts below,
> but they do not work. I always get the
> infinite loop for directories and an error from the browser:

For clarity: can you show the config you use, and one request that
uses that config, and the response that you get? And, in case it is not
obvious, can you show the response that you want instead?

With a specific example, it may be clearer what needs to be configured.

> The browser can not open the page "http://example.com/xxxx" The error is:
> "Load can not follow more than 20 redirections" (:0)

Rather than "a browser", if you use "curl -v" or "curl -i", it should
be clearer what is happening.

If the response is a 30x redirect to a Location that is different from the
original request, perhaps make a new "curl -i" request for that Location.

At some point in the cycle, the loop will become obvious.

> # 1 - The Evil If
>
> if ( !-e $request_filename ) { rewrite ^/(.*)/$ /$1 permanent; }

You want "request ends in slash, and does not correspond to a
directory". Use "!-d".

And - that "if" does not look evil to me.

> # 2 - TRY_FILES

> try_files $uri $uri/ @trimslash;
> proxy_pass http://xxx.xx.xx.xxx:IIII;

I'm not sure what this is trying to do. Does the proxy_pass upstream
share the same filesystem as this nginx?

> location @trimslash {
>
> rewrite ^/(.*)/$ /$1 permanent;
> proxy_pass http://xxx.xx.xx.xxx:IIII;

Once the "rewrite" happens, the "proxy_pass" will not apply. So I'm not
sure what this is trying to do, either.

f
--
Francis Daly francis@daoine.org
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Subject Author Posted

Trailing Slash Redirect Loop Help

Alex Med April 28, 2017 10:27AM

Re: Trailing Slash Redirect Loop Help

steveh April 28, 2017 10:42AM

Re: Trailing Slash Redirect Loop Help

Alex Med April 28, 2017 10:48AM

Re: Trailing Slash Redirect Loop Help

steveh April 28, 2017 11:36AM

Re: Trailing Slash Redirect Loop Help

Alex Med April 28, 2017 11:43AM

Re: Trailing Slash Redirect Loop Help

steveh April 28, 2017 11:48AM

Re: Trailing Slash Redirect Loop Help

Alex Med April 28, 2017 12:52PM

Re: Trailing Slash Redirect Loop Help

steveh May 01, 2017 06:42PM

Re: Trailing Slash Redirect Loop Help

Alex Med May 10, 2017 10:43AM

Re: Trailing Slash Redirect Loop Help

Francis Daly April 29, 2017 08:36AM

Re: Trailing Slash Redirect Loop Help

Alex Med May 10, 2017 11:10AM

Re: Trailing Slash Redirect Loop Help

Francis Daly May 12, 2017 05:26PM

Re: Trailing Slash Redirect Loop Help

Alex Med October 06, 2019 12:24PM

Re: Trailing Slash Redirect Loop Help

Francis Daly October 08, 2019 06:48PM

Re: Trailing Slash Redirect Loop Help

Alex Med October 09, 2019 11:22AM

Re: Trailing Slash Redirect Loop Help

Francis Daly October 09, 2019 05:34PM

Re: Trailing Slash Redirect Loop Help

Alex Med October 14, 2019 11:04PM

Re: Trailing Slash Redirect Loop Help

Alex Med October 14, 2019 11:06PM

Re: Trailing Slash Redirect Loop Help

Francis Daly October 15, 2019 10:36AM



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